I don't know for VFP 6, but I had similar problems with VFP 8 installation. I resolved this by starting the setup of the prerequisites directly from it's subfolder on the CD. I don't remember the name of the folder however :(

>I hope this happens to no one else in this forum.
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>Last Friday when I booted up my machine, I got a little DOS message saying "NTFL is missing". This situation prevented any further booting of the machine.
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>I then tried to reinstall Windows 2000 using the "Repair" option which didn't work, so I tried the "ReInstall" option which got the desktop to come up but to my horror, I found that all Icons had been removed from my desktop, all DLLs had been wiped from the WINTT\System32 directory, all drivers for my network adapter, monitor and printer had been wiped. It gets worse, all email history in my email files were wiped as was my address book and "Favorites" in IE.
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>I have gradually built my machine backup, but true to form VFP 6.0 and VFP 8.0 will not reinstall. I was able to get VFP 6.0 to go through the reinstall process but when I launch it I get "Resource File Version Mismatch". When I try to reinstall VFP 8.0 I get a screen telling me that it is missing "Prerequisites" and it cannot proceed. I have gone to the Microsoft Web Site and it is silent on VFP 8.0 Prerequisites.
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>Needless to say, Microsoft makes money in spite of this, but if I my software reinstalled this way, I would be on the premises free of charge putting Humpty Dumpty together.
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>If anyone has advise on how to get VFP 6.0 and 8.0 reinstalled, I would be very pleased to hear from you.
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>Mike Smith